Taxonomy of Data

Concept Acquisition

1. Data is a collection of measurements of variables made on observation units. They can be organized in a data frame.
2. Variables can be classified as Numerical or Categorical. Types of numerical variables include continuous and discrete variables. Types of categorical variables include ordinal and nominal.

Tool Acquisition

1. Create a pdf document from a .qmd file using RStudio.

Concept Application

1. Identify the unit of observation in a written description of a study or in a given data frame.
2. Identify the variables recorded on the observations based on a written description of a study or in a given data frame. Classify each one according to the taxonomy of data.
3. Distinguish between a (tidy) data frame and other tabular displays.